Re: funkiness with '1999-12-31 19:00:00-05'::timestamp with time zone

Josh Kupershmidt <schmiddy(at)gmail(dot)com> writes:
> On Fri, Sep 3, 2010 at 3:40 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> but I wonder what it was you actually did.

> I wonder myself :-) I encountered these timestamps while going through
> some C code I inherited which uses libpq to load several tables (such
> as myschema.strange_table in the original example) using COPY FROM
> STDIN. I don't think any timestamp arithmetic was involved. The code
> was supposed to copy in legitimate timestamps, but instead loaded all
> these '1999-12-31 19:00:00-05' values, and I'm still trying to figure
> out how/why.

Interesting. I can't imagine how you could have produced these with
plain COPY, since that would go through timestamptzin. Was it by any
chance a binary COPY? If so I could believe that funny timestamps could
get in. Maybe some confusion over endianness of the binary data, for
instance.

regards, tom lane